package java05_02;

public class Circle {
    public double r;
public Circle(){
    this.r=1;
}
    public double getR() {
        return r;
    }

    public void setR(double r) {

        this.r = r;
    }
    public double findArea(){
        double s=3.14*r*r;
        return s;

    }


}
